Abundance and demography of bottlenose dolphins in Dusky Sound, New Zealand, inferred from dorsal fin photographs

New Zealand Journal of Marine and Freshwater Research

Volumn 42, Issue 4, 2008, Pages 439-449

  Currey, Rohan J C ^a   Rowe, Lucy E ^a   Dawson, Stephen M ^a   Slooten, Elisabeth ^a  

^a UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

Capture mark recapture; Fiordland; Laser photogrammetry; Photo identification census; Sex classification function; Tursiops truncatus

Indexed keywords

ABUNDANCE; CENSUS; DOLPHIN; FJORD; LASER; MARK-RECAPTURE METHOD; PHOTOGRAMMETRY; RANGE SIZE; SEX DETERMINATION; SEX RATIO;

AUSTRALASIA; DOUBTFUL SOUND; DUSKY SOUND; NEW ZEALAND; SOUTH ISLAND; SOUTHLAND;

TURSIOPS; TURSIOPS TRUNCATUS;

EID: 58149143139     PISSN: 00288330     EISSN: None     Source Type: Journal    
DOI: 10.1080/00288330809509972     Document Type: Article

References (36)

1. Albanese J 2003. A metric method for sex determination using the hipbone and the femur. Journal of Forensic Sciences 48(2): 263-73.
2. Bertellotti M, Tella JL, Godoy JA, Blanco G, Forero MG, Donázar JA, Ceballos O 2002. Determining sex of magellanic penguins using molecular procedures and discriminant functions. Waterbirds 25(4): 479-484.
3. Bräger S, Schneider K 1998. Near-shore distribution and abundance of dolphins along the west coast of the South Island, New Zealand. New Zealand Journal of Marine and Freshwater Research 32(1): 105-112.
4. Buckland ST, Anderson DR, Burnham KP, Laake JL 1993. Distance sampling: estimating abundance of biological populations. London, Chapman & Hall. 446 p.
5. Chapman DG 1951. Some properties of the hypergeometric distribution with applications to zoological sample censuses. University of California Publications in Statistics 1(7): 131-160.
6. Chong AK, Schneider K 2001. Two-medium photogrammetry for bottlenose dolphin studies. photogrammetric engineering and remote sensing 67(5): 621-628.
7. Connor RC, Norris KS 1982. Are dolphins reciprocal altruists? American Naturalist 119(3): 358-374.
8. Connor RC, Wells RS, Mann J, Read AJ 2000. The bottlenose dolphin: social relationships in a fission-fusion society. In: Mann J, Connor RC, Tyack PL, Whitehead H ed. Cetacean societies. Chicago, University of Chicago Press. Pp. 91-126.
9. Currey RJC, Dawson SM, Slooten E 2007. New abundance estimates suggest Doubtful Sound bottlenose dolphins are declining. Pacific Conservation Biology 13: 265-273.
10. Currey RJC, Dawson SM, Slooten E, Schneider K, Lusseau D, Boisseau OJ, Haase PA, Williams JA 2008. Survival rates for a declining population of bottlenose dolphins in Doubtful Sound, New Zealand: an information theoretic approach to assessing the role of human impacts. Aquatic Conservation: Marine and Freshwater Ecosystems. DOI: 10.1002/aqc.1015
11. Devlin CM, Diamond AW, Saunders GW 2004. Sexing arctic terns in the field and laboratory. Waterbirds 27(3): 314-320.
12. Durban JW, Parsons KM 2006. Laser-metrics of free ranging killer whales. Marine Mammal Science 22(3): 735-743.
13. Gilpin ME, Soule ME 1986. Minimum viable populations: processes of species extinction. In: Soule ME ed. Conservation Biology: the science of scarcity and diversity. Sunderland, Sinauer Association. Pp. 19-34.
14. Haase pa, Schneider K 2001. Birth demographics of bottlenose dolphins, Tursiops truncatus, in Doubtful Sound, Fiordland, New Zealand - preliminary findings. New Zealand Journal of Marine and Freshwater Research 35(4): 675-680.
15. Krutzen M, Barre LM, Moller LM, Heithaus MR, Simms C, Sherwin WB 2002. A biopsy system for small cetaceans: darting success and wound healing in Tursiops spp. Marine Mammal Science 18(4): 863-878.
16. Lusseau D 2005. Residency pattern of bottlenose dolphins Tursiops spp. in Milford Sound, New Zealand, is related to boat traffic. Marine Ecology Progress Series 295: 265-272.
17. Lusseau D, Slooten E 2002. Cetacean sightings off the Fiordland coastline. Science for Conservation 187. Wellington, New Zealand, Department of Conservation. 42 p.
18. Lusseau D, Newman MEJ 2004. Identifying the role that animals play in their social networks. Proceedings of the Royal Society B: Biological Sciences 271: 477-481.
19. Lusseau D, Schneider K, Boisseau OJ, Haase PA, Slooten E, Dawson SM 2003. The bottlenose dolphin community of Doubtful Sound features a large proportion of long-lasting associations - can geographic isolation explain this unique trait? Behavioral Ecology and Sociobiology 54(4): 396-405.
20. Lusseau D, Slooten E, Currey RJC 2006. Unsustainable dolphin-watching tourism in Fiordland, New Zealand. Tourism in Marine Environments 3(2): 173-178.
21. New Zealand Government 1992. Marine Mammal protection Regulations 1992. Wellington, New Zealand Government Printer.
22. Rowe LE, Dawson SM 2008. Determining the sex of bottlenose dolphins from Doubtful Sound using dorsal fin photographs. Marine Mammal Science DOI: 10.1111/j.1748-7692.2008.00235.x.
23. Saether BE, Engen S, Lande R, Moller AP, Bensch S, Hasselquist D, Beier J, Leisler B 2004. Time to extinction in relation to mating system and type of density regulation in populations with two sexes. Journal of Animal Ecology 73(5): 925-934.
24. Schneider K 1999. Behaviour and ecology of bottlenose dolphins in Doubtful Sound, Fiordland, New Zealand. Unpublished PhD thesis, University of Otago, Dunedin, New Zealand. 211 p.
25. Shealer DA, Cleary CM 2007. Sex determination of adult black terns by DNA and morphometrics: tests of sample size, temporal stability and geographic specificity in the classification accuracy of discriminant function models. Waterbirds 30(2): 180-188.
26. Sokal RR, Rohlf FJ 1994. Biometry: the principles and practice of statistics in biological research. 3rd ed. New York, Freeman.
27. Stephens PA, Sutherland WJ, Freckleton RP 1999. What is the allee effect? Oikos 87(1): 185-190.
28. Tezanos-Pinto G, Scott Baker C, Russell K and others 2008. A worldwide perspective on the population structure and genetic diversity of bottlenose dolphins (Tursiops truncatus) in New Zealand. Journal of Heredity. DOI: doi:10.1093/jhered/esn039.
29. Thompson PM, Wilson B, Grellier K, Hammond PS 2000. Combining power analysis and population viability analysis to compare traditional and precautionary approaches to conservation of coastal cetaceans. Conservation Biology 14(5): 1253-1263.
30. Wells RS, Scott MD 1999. Bottlenose dolphin Tursiops truncatus (Montagu, 1821). In: Ridgway SH, Harrison R ed. Handbook of marine mammals. Volume 6: The second book of dolphins and the porpoises. San Diego, Academic Press. pp. 137-182.
31. Wells RS, Scott MD, Irvine AB 1987. The social structure of free-ranging bottlenose dolphins. In: Genoways HH ed. Current mammalogy. Volume 1. New York, Plenum Press. pp. 247-305.
32. Williams JA, Dawson SM, Slooten E 1993. The abundance and distribution of bottlenosed dolphins (Tursiops truncatus) in Doubtful Sound, New Zealand. Canadian Journal of Zoology 71(10): 2080-2088.
33. Wilson B, Thompson PM, Hammond PS 1997. Habitat use by bottlenose dolphins: seasonal distribution and stratified movement patterns in the Moray Firth, Scotland. Journal of Applied Ecology 34(6): 1365-1374.
34. Wilson B, Hammond PS, Thompson PM 1999. Estimating size and assessing trends in a coastal bottlenose dolphin population. Ecological Applications 9(1): 288-300.
35. Würsig B, Würsig M 1977. The photographic determination of group size, composition, and stability of coastal porpoises (Tursiops truncatus). Science 198: 755-756.
36. Würsig B, Jefferson TA 1990. Methods of photoidentification for small cetaceans. Reports of the International Whaling Commission Special Issue 12: 43-52.